Digital dimple depth gauge

A depth measuring instrument and depth measurement technology, applied in the field of measurement, can solve the problems of low work efficiency, time-consuming and laborious, and rely on manual reading, etc., and achieve the effects of easy portability, intuitive and convenient reading, and improved production efficiency

Active Publication Date: 2015-04-15
AVIC BASIC TECH RES INST +2
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This method can get relatively accurate results, but the processing accuracy of the device is very high, and it depends o

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Embodiment Construction

[0028] The present invention will be described in further detail below by means of the accompanying drawings.

[0029] see figure 1 , The countersink depth measuring instrument of the present invention transmits the displacement information to the displacement sensor through its internal measuring column, and the sensor converts the displacement signal into an analog electrical signal, which is processed by the data acquisition system and displays the result on the display terminal.

[0030] see figure 2 , image 3 , The countersink depth measuring instrument of the present invention includes: the left half shell 1 of the measuring instrument, the lower cover 2 of the measuring instrument, the feet 3, the sleeve 4, the measuring column 5, the large gland I6, the small gland 7, the guide column 8, and the measuring sleeve 9. Displacement sensor 10, measuring module shell 11, screw 12, measuring module back cover 13, measuring instrument cover 14, display module 15, power sw...

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Abstract

The invention belongs to the technical field of measuring and relates to a digital dimple depth gauge which is used for measuring the relative/absolution depth of a dimple so as to detect whether the depth of the dimple is in an allowed error range or not. The digital dimple depth gauge comprises a gauge shell, a gauge lower cover, a support leg, a sleeve, a measuring column, a large gland I, a small gland, a guide column, a measuring sleeve, a displacement sensor, a measuring module shell, a measuring module rear cover, a gauge upper cover, a display module, a power switch, a battery, a handle end cover, a large gland II and a collecting plate. The digital dimple depth gauge has the advantages that the depth of the dimple is evaluated by the displacement change of the internal measuring column in the standard dimple and the internal measuring column in a to-be-measured dimple, the displacement sensor is mounted at the top end of the measuring column, the displacement change of the measuring column can be converted into an analog signal, and the analog signal can be processed by a data collecting system to obtain a precise measuring result.

Description

technical field [0001] The invention belongs to the technical field of measurement, and relates to a digital countersink depth measuring instrument for measuring the relative / absolute depth of a countersink to detect whether the depth of the countersink is within an allowable error range. technical background [0002] The fixing of the aircraft skin mainly depends on the riveting with the aircraft frame. The quality of the riveting has a great influence on the quality of the aircraft assembly. This requires that the countersunk hole of the riveting must be within the specified error range, and the processing tool should be replaced in time when the error range is exceeded. Through hole error is better controlled, mainly because the error of spot facing is not easy to measure, and the main index of spot facing is the depth of spot facing. [0003] At present, in the production process, the method of manual comparison is generally adopted, that is, to make a standard part (its...

Claims

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Application Information

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IPC IPC(8): G01B21/18
CPCG01B21/18
Inventor 刘强李强吉伟伟高艳杰杨超甘志超郭强
Owner AVIC BASIC TECH RES INST
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